US Patent: 103,656
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Wrench
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Patentee:
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Mathias Redlinger (exact or similar names) - Freeport, IL |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Granted: |
May 31, 1870 |
Patent Pictures:
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Mathias Redlinger Pat. May 31, 1870 |
USPTO (New site tip) Google Patents
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Stan Schulz
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Description: |
A rotating wrench head is held in position by a spring loaded catch. The wrench openings have center circular holes to clear bolt shanks. The "end" face has a square socket for a screwdriver or gimlet bit. |
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